21528368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3079}}^1$

素因数の和:3129

約数の個数: 40

約数和(自身を含む): 45830400

約数和(自身を除く): 24302032

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3079, 3496, 6158, 6992, 12316, 24632, 49264, 58501, 70817, 117002, 141634, 234004, 283268, 468008, 566536, 936016, 1133072, 1345523, 2691046, 5382092, 10764184, 21528368]

約数ペア:

[(1, 21528368), (2, 10764184), (4, 5382092), (8, 2691046), (16, 1345523), (19, 1133072), (23, 936016), (38, 566536), (46, 468008), (76, 283268), (92, 234004), (152, 141634), (184, 117002), (304, 70817), (368, 58501), (437, 49264), (874, 24632), (1748, 12316), (3079, 6992), (3496, 6158)]